Table 5.
Number of workers with abnormal liver function index values, odds ratios, and 95% confidence intervals according to the cut-off value
| Number (%) | OR * | 95% CI † | |||
|---|---|---|---|---|---|
| The cut-off value of AST‡, ALT§, and GGT∥ were taken to be 40 IU/L, 42 IU/L, and 63 IU/L | |||||
| AST |
Control |
|
4 (3.2) |
|
|
| |
Solvent-exposed |
TCE¶ co-exposure |
3 (3.7) |
1.02 |
0.21-4.96 |
| |
Solvent-exposed |
TCE non-exposure |
2 (2.4) |
0.84 |
0.15-4.76 |
| |
Lead-exposed |
|
21 (8.2) |
2.66 |
0.87-8.17 |
| |
Mixed exposure |
|
2 (4.4) |
1.46 |
0.25-8.57 |
| ALT |
Control |
|
12 (9.6) |
|
|
| |
Solvent-exposed |
TCE co-exposure |
8 (9.9) |
1.36 |
0.49-3.78 |
| |
Solvent-exposed |
TCE non-exposure |
10 (11.9) |
1.36 |
0.54-3.45 |
| |
Lead-exposed |
|
35 (13.6) |
1.49 |
0.72-3.06 |
| |
Mixed exposure |
|
7 (15.6) |
1.55 |
0.23-4.54 |
| GGT |
Control |
|
24 (19.2) |
|
|
| |
Solvent-exposed |
TCE co-exposure |
8 (9.9) |
0.52 |
0.20-1.34 |
| |
Solvent-exposed |
TCE non-exposure |
8 (9.5) |
0.50 |
0.20-1.22 |
| |
Lead-exposed |
|
63 (24.5) |
1.32 |
0.75-2.32 |
| |
Mixed exposure |
|
7 (15.6) |
0.97 |
0.35-2.66 |
| The cut-off value of AST, ALT, and GGT were taken to be 30 IU/L, 30 IU/L, and 40 IU/L | |||||
| AST |
Control |
|
15 (12.0) |
|
|
| |
Solvent-exposed |
TCE co-exposure |
8 (9.9) |
0.80 |
0.31-2.09 |
| |
Solvent-exposed |
TCE non-exposure |
9 (10.7) |
1.00 |
0.31-2.45 |
| |
Lead-exposed |
|
44 (17.1) |
1.42 |
0.75-2.70 |
| |
Mixed exposure |
|
15 (33.3) |
4.39 |
1.86-10.40 |
| ALT |
Control |
|
41 (32.8) |
|
|
| |
Solvent-exposed |
TCE co-exposure |
18 (22.2) |
0.94 |
0.45-1.94 |
| |
Solvent-exposed |
TCE non-exposure |
22 (26.2) |
0.81 |
0.41-1.58 |
| |
Lead-exposed |
|
89 (34.6) |
1.04 |
0.64-1.71 |
| |
Mixed exposure |
|
19 (42.2) |
1.73 |
0.78-3.82 |
| GGT |
Control |
|
41 (32.8) |
|
|
| |
Solvent-exposed |
TCE co-exposure |
24 (29.6) |
1.27 |
0.63-2.56 |
| |
Solvent-exposed |
TCE non-exposure |
25 (29.8) |
1.13 |
0.59-2.18 |
| |
Lead-exposed |
|
104 (40.5) |
1.35 |
0.83-2.19 |
| Mixed exposure | 18 (40.0) | 2.10 | 0.94-4.68 | ||
*Adjusted for age, work duration, body mass index, smoking, alcohol by binary logistic regression model.
†Confidence interval, ‡Aspartate aminotransferase, §Alanine aminotransferase, ∥Gamma glutamyl transferase, ¶Trichloroethylene.